1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "BaseSensorObject.h"
18#include "SensorEventCallback.h"
19#include "Utils.h"
20
21#include <cstring>
22
23namespace android {
24namespace SensorHalExt {
25
26BaseSensorObject::BaseSensorObject() : mCallback(nullptr) {
27}
28
29bool BaseSensorObject::setEventCallback(SensorEventCallback* callback) {
30    if (mCallback != nullptr) {
31        return false;
32    }
33    mCallback = callback;
34    return true;
35}
36
37void BaseSensorObject::getUuid(uint8_t* uuid) const {
38    // default uuid denoting uuid feature is not supported on this sensor.
39    memset(uuid, 0, 16);
40}
41
42int BaseSensorObject::flush() {
43    static const sensors_event_t event = {
44        .type = SENSOR_TYPE_META_DATA,
45        .timestamp = TIMESTAMP_AUTO_FILL  // timestamp will be filled at dispatcher
46    };
47    generateEvent(event);
48    return 0;
49}
50
51void BaseSensorObject::generateEvent(const sensors_event_t &e) {
52    if (mCallback) {
53        mCallback->submitEvent(SP_THIS, e);
54    }
55}
56
57} // namespace SensorHalExt
58} // namespace android
59
60